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2012724 = 223273163
BaseRepresentation
bin111101011011000110100
310210020221100
413223120310
51003401344
6111050100
723052000
oct7533064
93706840
102012724
11115520a
12810930
1355617c
143a5700
1529b569
hex1eb634

2012724 has 72 divisors (see below), whose sum is σ = 5969600. Its totient is φ = 571536.

The previous prime is 2012719. The next prime is 2012741. The reversal of 2012724 is 4272102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2012697 and 2012706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12267 + ... + 12429.

22012724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2984800).

2012724 is an abundant number, since it is smaller than the sum of its proper divisors (3956876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2012724 is a wasteful number, since it uses less digits than its factorization.

2012724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2012724 is about 1418.7050433406. The cubic root of 2012724 is about 126.2587276259.

Adding to 2012724 its reverse (4272102), we get a palindrome (6284826).

The spelling of 2012724 in words is "two million, twelve thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 163 196 252 294 326 343 441 489 588 652 686 882 978 1029 1141 1372 1467 1764 1956 2058 2282 2934 3087 3423 4116 4564 5868 6174 6846 7987 10269 12348 13692 15974 20538 23961 31948 41076 47922 55909 71883 95844 111818 143766 167727 223636 287532 335454 503181 670908 1006362 2012724